336 FZPN03 KNHC 300920 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 1030 UTC SUN SEP 30 2018 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. PAN PAN E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE EQUATOR E OF 120W SYNOPSIS VALID 0600 UTC SUN SEP 30. 24 HOUR FORECAST VALID 0600 UTC MON OCT 01. 48 HOUR FORECAST VALID 0600 UTC TUE OCT 02. .WARNINGS. ...HURRICANE WARNING... .HURRICANE ROSA NEAR 23.3N 118.8W 975 MB AT 0900 UTC SEP 30 MOVING N OR 05 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT... 130 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM OF CENTER EXCEPT 240 NM SE QUADRANT WITH SEAS TO 34 FT. ELSEWHERE WITHIN 270 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 10N TO 28N BETWEEN 110W AND 128W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST TROPICAL STORM ROSA NEAR 26.5N 117.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N SEMICIRCLE...100 NM SE QUADRANT AND 70 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM OF CENTER EXCEPT 210 NM SE QUADRANT WITH SEAS TO 22 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 15N TO 30N BETWEEN 110W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST TROPICAL STORM ROSA INLAND NEAR 30.6N 114.5W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 50 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW QUADRANT...AND 40 NM NW QUADRANT. SEAS TO 12 FT IN OPEN WATERS FROM 27N TO 30N E OF 116W WITH SEAS TO 14 FT. ELSEWHERE FROM 26N TO 30N E OF 118W WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. .72 HOUR FORECAST POST-TROPICAL ROSA NEAR 37.2N 110.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST...DISSIPATED. ...HURRICANE WARNING... .TROPICAL STORM SERGIO NEAR 12.0N 104.3W 1001 MB AT 0900 UTC SEP 30 MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE WITHIN 180 NM N SEMICIRCLE AND 210 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA FROM 10N TO 17N BETWEEN 100W AND 108W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .24 HOUR FORECAST HURRICANE SERGIO NEAR 11.9N 108.2W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE WITH SEAS TO 24 FT. ELSEWHERE WITHIN 240 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 TO 12 FT IN MIXED SWELL. REMAINDER OF AREA FROM 07N TO 17N BETWEEN 102W AND 111W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .48 HOUR FORECAST HURRICANE SERGIO NEAR 11.7N 112.4W. MAXIMUM SUSTAINED WINDS 100 KT GUSTS 120 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E SEMICIRCLE...80 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE AND 120 NM SW SEMICIRCLES WITH SEAS TO 32 FT. ELSEWHERE WITHIN 240 NM NW OF CENTER...EXCEPT 270 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 12 FT IN MIXED SWELL. REMAINDER OF AREA FROM 05N TO 20N BETWEEN 105W AND 117W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL. .72 HOUR FORECAST HURRICANE SERGIO NEAR 13.0N 115.9W. MAXIMUM SUSTAINED WINDS 90 KT GUSTS 110 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE SERGIO NEAR 15.2N 118.6W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. .120 HOUR FORECAST HURRICANE SERGIO NEAR 17.1N 120.8W. MAXIMUM SUSTAINED WINDS 95 KT GUSTS 115 KT. FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE AND INTENSITY. .SYNOPSIS AND FORECAST. .N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF OF TEHUANTEPEC... N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT. .06 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95.5W TO 14N97W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS BUIDING TO 10 FT. .18 HOUR FORECAST N OF 15N BETWEEN 94W AND 96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 FT. .24 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 14N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .30 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 13.5N96W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .36 HOUR FORECAST WITHIN 30 NM OF A LINE FROM 16N95W TO 15N95W TO 13N96.5W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. .48 HOUR FORECAST N OF 14.5N BETWEEN 94W AND 96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0900 UTC SUN SEP 30... HURRICANE ROSA...NUMEROUS MODERATE TO STRONG WITHIN 90 NM OF CENTER. TROPICAL STORM SERGIO...NUMEROUS MODERATE TO STRONG WITHIN 150 NM SE AND 75 NM NW SEMICIRCLES OF CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... THE MONSOON TROUGH EXTENDS FROM 08N82W TO 07N86W TO 10N94W TO 11N98W...THEN CONTINUES FROM 07N105W TO 06N115W. ANOTHER SECTOR OF THE MONSOON TROUGH IS SW OF HURRICANE ROSA, AND EXTENDS FROM 13N127W TO 07N140W. SCATTERED MODERATE CONVECTION IS OVER THE GULF OF PANAMA...AND FROM 09N-12N BETWEEN 126W-133W. $$ .FORECASTER GR. NATIONAL HURRICANE CENTER.